Re: Facebook post-mortems...

[Hauke Lampe <lampe () hauke-lampe de>]

On 05.10.21 07:22, Hank Nussbacher wrote:

> Thanks for the posting.  How come they couldn't access their routers via
> their OOB access?

My speculative guess would be that OOB access to a few outbound-facing
routers per DC does not help much if a configuration error withdraws the
infrastructure prefixes down to the rack level while dedicated OOB to
each RSW would be prohibitive.

https://research.fb.com/wp-content/uploads/2021/03/Running-BGP-in-Data-Centers-at-Scale_final.pdf